rev up the engine

Release the brakes when you hear your engine rev up.

当你听到引擎加速的时候,释放刹车.

Rev it up to warm the engine.

让发动机转起来预热.

It is far from clear that any huge temporary fiscal stimulus will rev up the engine enough to achieve self-sustaining growth.

采取大规模临时性财政刺激，能否对经济产生足够的提振、使之实现自我维持的增长，这一点还远没有定论。

New for the GT3 is a change-up display, which lights up on the rev counter shortly before the relevant engine speed is reached.

新的为美洲勒芒网格计算是一个变速球的展示，其中灯的转速计算器之前不久，有关发动机转速就达到了。

In the first place you must rev it up to warm the engine.

首先你必须让发动机转起来预热。

Don't rev up the engine too fast.

不要使发动机转速太快.